fn test_array(index: usize) {
	let mut xs: [i32; 1] = [9999];
	let mut b = xs[0];
	b += 1;
	xs[index] = b;
	// if (index < size) {
	//    panic!();
	// }
	// xs.get_uncheck()
	// xs[100000];
	println!("{:?}", xs[index])
}

fn main() {
    test_array(1);
}